Video problems
The system is running but the screen is blank.
Probable cause | Solution |
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The monitor is not turned on | Make sure the monitor is plugged in and turned |
| on. If the monitor is turned on, the green power |
| LED should illuminate. |
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The monitor’s data cable is | Make sure the monitor data cable is connected |
not connected | to the video controller on the back of the |
| system. |
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|
The connector or cable is | Check the connector and cable for bent or |
damaged | damaged pins. |
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The monitor is defective | Connect a working monitor to the computer. |
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The monitor brightness and | Adjust the brightness and contrast knobs to the |
contrast controls are turned | center position. |
down |
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|
A DIMM is not seated | Open the system and reseat the DIMM. |
properly - indicated by a beep |
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|
The image on the screen is dim or difficult to read.
Probable cause | Solution |
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|
The monitor brightness and | Adjust the brightness and contrast knobs until |
contrast controls are turned | the text becomes clear. |
down |
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|
Light is glaring off the display | Position the monitor away from the sun or |
| other light source. |
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The monitor may be old | Replace the monitor. |
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100Troubleshooting